9. Objective To prepare the fiuid weak-positive quality control serum in the latex agglutination tests of Antistreptolysin-O antibody (ASO) and Rheumatoid factor (RF).

• 目的：本文对速率散射比浊法测定血清类风湿因子（RF）和抗链球菌溶血素O（ASO）进行方法学评价。收藏指正